【简答题】玉米制种要求在( )停水 [填空(1)]A. 8月底
【单选题】一般制种玉米播种要求5厘米地温稳定在( )
【单选题】– Where is my shirt, mum? – ________.
【简答题】- a post office near here? -Yes, there is. [ ] A Is it B. Is that C. Is this D. Is there
【单选题】—Is there any bread here? — Yes, there is. There is ( ) on the table.
【判断题】水中重法可以检测沥青混合料的毛体积密度。